nbodykit.cosmology.power.transfers¶
Classes
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The linear matter transfer function using the CLASS Boltzmann code. |
|
The linear matter transfer function using the Eisenstein & Hu (1998) fitting formula with BAO wiggles. |
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Linear power spectrum using the Eisenstein & Hu (1998) fitting formula without BAO wiggles. |
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class
nbodykit.cosmology.power.transfers.
CLASS
(cosmo, redshift)[source]¶ The linear matter transfer function using the CLASS Boltzmann code.
- Parameters
cosmo (
Cosmology
) – the cosmology instanceredshift (float) – the redshift of the power spectrum
Methods
__call__
(self, k)Return the CLASS linear transfer function at
redshift
.
-
class
nbodykit.cosmology.power.transfers.
EisensteinHu
(cosmo, redshift)[source]¶ The linear matter transfer function using the Eisenstein & Hu (1998) fitting formula with BAO wiggles.
- Parameters
cosmo (
Cosmology
) – the cosmology instanceredshift (float) – the redshift of the power spectrum
References
Eisenstein & Hu, “Baryonic Features in the Matter Transfer Function”, 1998
Methods
__call__
(self, k)Return the Eisenstein-Hu transfer function with BAO wiggles.
-
class
nbodykit.cosmology.power.transfers.
NoWiggleEisensteinHu
(cosmo, redshift)[source]¶ Linear power spectrum using the Eisenstein & Hu (1998) fitting formula without BAO wiggles.
- Parameters
cosmo (
Cosmology
) – the cosmology instanceredshift (float) – the redshift of the power spectrum
References
Eisenstein & Hu, “Baryonic Features in the Matter Transfer Function”, 1998
Methods
__call__
(self, k)Return the Eisenstein-Hu transfer function without BAO wiggles.